Alright guys, my build as follows.
AMD FX 6100
8 GB of G-Skill RipjawsX Ram
Asus Radeon 7770
600 W Corsair PSU
I was thinking about replacing my 7770 with the GTX 670 or the Radeon 7950. Would my CPU bottleneck the GTX 670 or Radeon 7950? Please help!!!